Example: Kit 75
A - CO2 connection
B - Calcium Automat 3170
C - Bubble Counter 1572.20
D - Non-Return Valve 7070.01
E - Hose 4 x 6 mm (.15 x .23 in.) 7072.30
F - pH/CO2 Controller Set 7074/2
G - pH Electrode 7070.11
H - Control valve of 7074/2
I - Cylinder + cylinder valve
J - Pressure Regulator 7077/2
K - Pressure adjusting screw of 7077/3
L - Fine adjustment of 7077/2